Ultra-thin titanium nitride films for refractory spectral selectivity

Alexander Roberts, Manohar Chirumamilla, Deyong Wang, Liqiong An, Kjeld Pedersen, N. Asger Mortensen, Sergey I. Bozhevolnyi

Research output: Contribution to journalJournal articleResearchpeer-review

5 Citations (Scopus)

Abstract

We demonstrate a selectively emitting optical Fabry-Pérot resonator based on a few-nm-thin continuous metallic titanium nitride film, separated by a dielectric spacer, which exhibits excellent stability at 1070 K against chemical degradation, thin-film instabilities and melting point depression. The structure paves the way to the design and fabrication of refractory thermal emitters using the well-established processes known from the field of multilayer and rugate optical filters. We demonstrate that a few-nanometer thick films of titanium nitride can be stable under operation at temperatures exceeding 1070 K. This type of selective emitter provides a means towards near-infrared thermal emission that could potentially be tailored to the accuracy level known from rugate optical filters.
Original languageEnglish
JournalOptical Materials Express
Volume8
Issue number12
Pages (from-to)3717-3728
Number of pages12
ISSN2159-3930
DOIs
Publication statusPublished - 2018

Cite this

Roberts, A., Chirumamilla, M., Wang, D., An, L., Pedersen, K., Mortensen, N. A., & Bozhevolnyi, S. I. (2018). Ultra-thin titanium nitride films for refractory spectral selectivity. Optical Materials Express, 8(12), 3717-3728. https://doi.org/10.1364/OME.8.003717
Roberts, Alexander ; Chirumamilla, Manohar ; Wang, Deyong ; An, Liqiong ; Pedersen, Kjeld ; Mortensen, N. Asger ; Bozhevolnyi, Sergey I. / Ultra-thin titanium nitride films for refractory spectral selectivity. In: Optical Materials Express. 2018 ; Vol. 8, No. 12. pp. 3717-3728.
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Roberts, A, Chirumamilla, M, Wang, D, An, L, Pedersen, K, Mortensen, NA & Bozhevolnyi, SI 2018, 'Ultra-thin titanium nitride films for refractory spectral selectivity', Optical Materials Express, vol. 8, no. 12, pp. 3717-3728. https://doi.org/10.1364/OME.8.003717

Ultra-thin titanium nitride films for refractory spectral selectivity. / Roberts, Alexander; Chirumamilla, Manohar; Wang, Deyong; An, Liqiong; Pedersen, Kjeld; Mortensen, N. Asger; Bozhevolnyi, Sergey I.

In: Optical Materials Express, Vol. 8, No. 12, 2018, p. 3717-3728.

Research output: Contribution to journalJournal articleResearchpeer-review

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AU - Roberts, Alexander

AU - Chirumamilla, Manohar

AU - Wang, Deyong

AU - An, Liqiong

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AU - Mortensen, N. Asger

AU - Bozhevolnyi, Sergey I.

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